<template>
  <div class="goods-list">

    <!-- <router-link class="goods-item" v-for="item in goodslist" :key="item.id" 
    :to="'/home/goodsinfo/'+item.id" tag="div">
      <img :src="item.img_url" alt="">
      <h1 class="title">{{ item.title }}</h1>
      <div class="info">
        <p class="price">
          <span class="now">￥{{ item.sell_price }}</span>
          <span class="old">￥{{ item.market_price }}</span>
        </p>
        <p class="sell">
          <span>热卖中</span>
          <span>剩{{ item.stock_quantity }}件</span>
        </p>
      </div>
    </router-link> -->

    <!-- 在网页中，有两种跳转方式：
    方式1：使用 a 标签 的形式叫做标签跳转
    方式2：使用window.location.href的形式，叫做编程式导航 -->
    <div class="goods-item" v-for="item in goodslist" :key="item.id" 
    @click = "goDetail(item.id)">
      <img :src="item.img_url" alt="">
      <h1 class="title">{{ item.title }}</h1>
      <div class="info">
        <p class="price">
          <span class="now">￥{{ item.sell_price }}</span>
          <span class="old">￥{{ item.market_price }}</span>
        </p>
        <p class="sell">
          <span>热卖中</span>
          <span>剩{{ item.stock_quantity }}件</span>
        </p>
      </div>
    </div>

    <mt-button type="danger" size="large" @click="getMore">加载更多</mt-button>

  </div>
</template>

<script>
export default {
  data () {
    //data是往自己组建内部，挂载一些私有数据的
    return {
      pageindex: 1, //分页的页数
      goodslist: []//存放商品列表的数组
    }
  },
  created () {
    this.getGoodsList();
  },
  methods: {
    getGoodsList () {
      //获取商品列表
      this.$http.get('api/getgoods?pageindex=' + this.pageindex).then((result) => {
        if (result.body.status === 0) {
          // this.goodslist = result.body.message;
          this.goodslist = this.goodslist.concat(result.body.message)
          this.goodslist.forEach(item => this.imgChange(item)
          )
        }
      })
    },
    getMore () {
      this.pageindex++;
      this.getGoodsList();
    },
    goDetail(id){
      //使用JS的形式进行路由导航

      //注意：一定要区分this.$route和this.$router这两个对象
      //其中：this.$route是路由参数对象，所有路有中的参数，params,query都属于它
      //其中：this.$router是一个路由导航对象，用它，可以方便的使用JS代码，实现路由的前进、后退、跳转到新的URL地址
      //1.最简单的
      this.$router.push('/home/goodsinfo/'+id)
      //2.传递对象
      //this.$router.push({path:'/home/goodsinfo'}+id)
      //3.传递有一个命名的路由
      //console.log(this)
      //this.$router.push({name:"goodsinfo",params:id})

    }
  }
}
</script>

<style lang="scss" scoped>
.goods-list {
  display: flex;
  flex-wrap: wrap;
  padding: 7px;
  justify-content: space-between;

  .goods-item {
    width: 49%;
    border: 1px solid #ccc;
    box-shadow: 0 0 8px #ccc;
    margin: 4px 0;
    padding: 2px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 293px;
    img {
      width: 100%;
    }
    .title {
      font-size: 14px;
    }

    .info {
      background-color: #eee;
      p {
        margin: 0;
        padding: 5px;
      }
      .price {
        .now {
          color: red;
          font-weight: bold;
          font-size: 16px;
        }
        .old {
          text-decoration: line-through;
          font-size: 12px;
          margin-left: 10px;
        }
      }
      .sell {
        display: flex;
        justify-content: space-between;
        font-size: 13px;
      }
    }
  }
}
</style>
